diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 3a498d6ee..b8abd9c8a 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -8,7 +8,7 @@ jobs:
     - name: Checkout Parent Repository
       uses: actions/checkout@v2
       with:
-        ref: master
+        ref: main
         repository: FreeRTOS/FreeRTOS
         submodules: 'recursive'
         fetch-depth: 1